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For the Inventor, By the Inventor

Denver, CO, United States of America

Evergreen Medical, Inc.


USPTO Granted Patents = 12

% Expired Patents = 58.3

Forward Citations = 537

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1 inventor (with patents filed for the assignee):

goldMedal Kent L Christopher (12 out of 32 patents)


12 patents:

1. 6895966 - Laryngeal mask airway (2005-05-24),
2. 6860264 - Method and apparatus for endotracheal intubation using a light wand and curved guide (2005-03-01),
3. 6668821 - Laryngeal mask airway (2003-12-30),
4. 6634354 - Laryngeal mask airway (2003-10-21),
5. 6631713 - Method and apparatus for ventilation/oxygenation during guided insertion of an endotracheal tube (2003-10-14),
6. 6585642 - Endoscope with a removable suction tube (2003-07-01),
7. 6568393 - Endotracheal tube having a beveled tip and orientation indicator (2003-05-27),
8. 6568388 - Method and apparatus for ventilation / oxygenation during guided insertion of an endotracheal tube (2003-05-27),
9. 6543446 - Method and apparatus for ventilation/oxygenation during guided insertion of an endotracheal tube (2003-04-08),
10. 6405725 - Method and apparatus for ventilation/oxygenation during guided insertion of an endotracheal tube (2002-06-18),
11. 6378523 - Endotracheal tube having a beveled tip and orientation indicator (2002-04-30),
12. 6340344 - Endoscope with a removable suction tube (2002-01-22),
Company Overview
Evergreen Medical, Inc., based in Denver, Colorado, specializes in the development and manufacturing of innovative medical devices aimed at enhancing patient care and improving clinical outcomes. The company focuses on advanced technologies in the healthcare sector, particularly in areas such as surgical instruments and diagnostic tools. With a commitment to quality and innovation, Evergreen Medical strives to address the evolving needs of healthcare providers and patients, ensuring effective solutions that promote safety and efficiency in medical practices.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

12 Patents

#87 in Denver, CO

#536 in Colorado

#25,578 in US

#48,209 in the World

Denver, CO (US)
Denver, CO, United States of America

Evergreen Medical, Inc.

Forward Citations = 537

1 inventor:

goldMedal Kent L Christopher (12 out of 32 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Evergreen Medical, Inc.. Retrieved from https://idiyas.com/company/evergreen-medical

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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